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The term harem is used in zoology to distinguish social organization consisting of a group of females, their offspring, and one to two males. [1] The single male, called the dominant male, may be accompanied by another young male, called a "follower" male. Females that closely associate with the dominant male are called "central females," while ...
Elephants can use their ears as threat displays in male-to-male competition. Sexual selection in mammals is a process the study of which started with Charles Darwin's observations concerning sexual selection, including sexual selection in humans, and in other mammals, [1] consisting of male–male competition and mate choice that mold the development of future phenotypes in a population for a ...
The skull of the leopard seal. The leopard seal has a distinctively long and muscular body shape when compared to other seals. The overall length of adults is 2.4–3.5 m (7.9–11.5 ft) and their weight is in the range 200 to 600 kilograms (440 to 1,320 lb), making them the same length as the northern walrus but usually less than half the weight.
Brown fur seals are still harvested in Namibia. Permits are issued for the killing of pups for their luxurious fur and adult males for their genitalia, which are considered an aphrodisiac in some countries. It is also considered necessary to limit seal numbers in Namibia because of the supposed effect seals have on the country's fish harvest.
The male fur seals are also mostly non-aggressive. [9] [2] Fur seal bachelor herds are frequently targets of the seal hunt due to large populations being concentrated in a relatively small area. There are few regulations in regard to adult male seal hunting due to limited effects on the future population. [2]
Male and female northern elephant seal, the male being larger with a big proboscis. Marine mammals show some of the greatest sexual size differences of mammals, because of sexual selection and environmental factors like breeding location. [92] The mating system of pinnipeds varies from polygamy to serial monogamy.
Two U.S. Navy SEALs drowned as they tried to climb aboard a ship carrying illicit Iranian-made weapons to Yemen because of glaring training failures, a military probe of the January deaths found.
This is an accepted version of this page This is the latest accepted revision, reviewed on 7 January 2025. Taxonomic group of semi-aquatic mammals Pinnipeds Temporal range: Latest Oligocene – Holocene, 24–0 Ma Pre๊ ๊ O S D C P T J K Pg N Clockwise from top left: Grey seal (Halichoerus grypus), Steller sea lion (Eumetopias jubatus), New Zealand fur seal (Arctocephalus forsteri), walrus ...